Around 12,440-12,550 years ago, hunter-gatherers returned regularly to Tagua Tagua Lake in Chile to hunt ancient elephant relatives called gomphotheres...
A team of archaeologists led by Washington State University scientists has discovered an ancient tattoo tool in southeastern Utah. With a handle of skunkbush...
Nearly 30 percent of 1,478 known cactus species are on the verge of extinction, according to a new report published yesterday in the journal Nature Plants.
Cacti...
